Diesel pump test bed



FIG. 1 is a front view of a diesel pump test bed showing my new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a plan view thereof;

FIG. 5 is a rear view thereof; and,

FIG. 6 is a left perspective view thereof. 

The ornamental design for a diesel pump test bed, as shown and described. 